Biographies

Mr. William E. Macaulay serves as Chairman of the Board of the company. Mr. Macaulay is the Chairman and Chief Executive Officer of First Reserve. He has been with First Reserve, a global energy-focused private equity and infrastructure investment firm focused on the energy industry, since 1983. Mr. Macaulay is responsible for all aspects of the firm’s investment program and strategy, and the overall management of the firm. Mr. Macaulay served as a director of Weatherford Enterra from October 1995 to May 1998. Mr. Macaulay also served as Director of Corporate Finance for Oppenheimer and Co., Inc., where he worked from 1972 to 1982. Mr. Macaulay holds a B.B.A. from City College of New York and an M.B.A. from the Wharton School of the University of Pennsylvania. Currently, Mr. Macaulay serves as Chairman of Dresser-Rand Group Inc., and is a director of Glencore Plc. Previously, Mr. Macaulay served as Chairman of CHC Group Ltd. and Foundation Coal Holdings Inc., and as a director of Dresser, Inc., National Oilwell Varco, Inc., and Pride International, Inc., which merged into Ensco plc. Mr. Macaulay’s investment and financial expertise, chief executive officer experience and extensive knowledge of the oilfield service industry are important assets to the Board in its decision-making process and in strategic planning.

Mr. Mark A. McCollum has been appointed as President, Chief Executive Officer, Director of the Company effective April 2017(start date shall not begin until late-April 2017). Prior to joining the Company, Mr. McCollum served as the Executive Vice President and Chief Financial Officer of Halliburton Company, a position he started in 2008 and resumed in July of 2016 following an interim role as Chief Integration Officer during the pendency of Halliburton’s proposed acquisition of Baker Hughes Incorporated. Mr. McCollum, a CPA, has significant financial and leadership experience, having spent over 36 years in the energy industry, beginning with Arthur Andersen where he served energy clients and culminating in his over 13 year career with Halliburton. He also serves on the Board of Directors of Archrock Inc. (previously Exterran Holdings Inc.) and is a Regent at Baylor University and on the Baylor College of Medicine Board of Trustees.

Mr. Christoph Bausch is re-designated as Chief Financial Officer, Executive Vice President of the Company effective April 2017. He is currently serves as Acting Chief Executive Officer, Chief Financial Officer, Executive Vice President of the Company effective March 6, 2017. He was Chief Financial Officer, Executive Vice President of the company. He joined the Company in May of 2016 as the Controller – Product Lines. Prior to joining the Company, and since May of 2011, he served as the executive vice president and chief financial officer of Archer Limited, an oilfield services company publicly traded in Norway on the Oslo Stock Exchange. Mr. Bausch has a degree (Diplom Kaufmann) from the University of Mannheim, Germany. Before he joined Archer Limited, Mr. Bausch served as a Global Finance Director of Transocean and prior to that, he had a 20-year international career with Schlumberger, where he held a variety of senior financial positions in the United States, United Arab Emirates, France, Mexico, Venezuela and Germany across a number of business segments covering operations, engineering, manufacturing and supply chain.

Mr. Frederico Justus is President – Region Operations of the company. Mr. Justus joined the Company in 2010 and most recently was Vice President of Middle East and Africa for the Company since May of 2015.

Mr. Lance R. Marklinger is the President—Eastern Hemisphere of the company. Prior to his appointment, he served as Vice President –Well Construction and Completion. Mr. Marklinger joined the Company in January 2010 and was appointed Vice President - Russia Region in November 2010, following a role as Well Services Group Manager. Prior to joining Weatherford, Mr. Marklinger was employed by Dowell and Schlumberger Ltd. from July 1993 to January 2010 in various management positions, including General Director and Vice President of Marketing of PetroAlliance, Vice President of Sales and Marketing US Land, and Operations Manager Russia. He is a graduate of the Southern Alberta Institute of Technology with an associate’s degree in Petroleum Engineering.

Mr. Karl Blanchard is Chief Operating Officer, Executive Vice President of the company. He brings with him valuable insights gained through more than 35 years in the oilfield services sector. Most recently, Mr. Blanchard served as Chief Operating Officer for Seventy Seven Energy, where he oversaw drilling, pressure-pumping and rental tool operations. Previously, he spent more than 30 years at Halliburton Company where he held senior leadership positions including Vice President of Cementing, Vice President of Production Enhancement and Vice President of Testing and Subsea.

Mr. Dharmesh B Mehta is the Executive Vice President, Corporate Strategy of the company. Mr. Mehta joined the Company in 2001 and served in various senior management capacities, including Senior Vice President – Completion and Production Systems, Chief Administrative Officer and Chief Operating Officer. Prior to joining the Company, Mr. Mehta had 10 years of experience in the software and oil and gas industries. Mr. Mehta holds a bachelor’s degree from the University of Houston and a master’s degree from the University of Wisconsin.

Mr. Douglas M Mills is the Chief Accounting Officer and Vice President of the company. Mr. Mills joined Weatherford in 2003 and served in various financial reporting capacities, including Vice President of Corporate Accounting since 2011, and filled other corporate and regional controller positions of increasing responsibility while at Weatherford. Mr. Mills has over five years of public accounting experience with the firms of Ernst & Young and Arthur Andersen. He is a certified public accountant and holds a M.P.A./B.B.A. from the University of Texas.

Mr. Mohamed A. Awad is the Director of the company. He is a retired executive who most recently served as Chairman of Schlumberger–Middle East and Asia, a role he held from 2001 to 2012. Mr. Awad joined Schlumberger in 1981 and, over the next 30 years, held positions of increasing responsibility, both domestically and abroad, including in the wireline, well services, drilling and measurement, and oilfield services groups. Mr. Awad holds a M.S. degree from the University of Tulsa and a B.S. degree from Cairo University, both in Petroleum Engineering. Mr. Awad has more than 30 years of experience in the oilfield services industry, including international leadership experience, which is a valuable asset to our Board in its industry planning and strategic decision-making processes, especially in the Middle East region.

Mr. David J. Butters is the Director of the company. Mr. Butters has been Chairman, President and Chief Executive Officer of Navigator Holdings, Ltd., an international shipping company, the principal business of which is the transport of liquefied petroleum gas, since September 2008. From 1969 to September 2008, Mr. Butters was a Managing Director of Lehman Brothers Inc., an investment banking company. Mr. Butters currently serves as Chairman of the Board of GulfMark Offshore, Inc., and was previously Chairman of the Board of Directors of ACOL Tankers Ltd., a privately held oil tanker company. Mr. Butters holds a B.S. from Boston College and an M.B.A. from Columbia University Business School. Mr. Butters’ extensive career experience in investment banking is an asset to the Audit Committee in carrying out its duties. In addition, his chief executive officer experience and his depth of knowledge of the Company’s business, as a result of his 30-year directorship on Board, provide with a valuable perspective in making strategic decisions and planning for the future.

Ms. Roxanne J. Decyk is Director of the Company. Over the course of her career, Ms. Decyk has held executive roles at Royal Dutch Shell and Amoco where she held executive leadership positions in corporate strategy, human resources and government affairs. She currently serves on the boards of Ensco plc, Orbital ATK Inc., and DigitalGlobe Inc. As a member of the Weatherford Board of Directors, she will serve on the Compensation Committee and the Health, Safety and Environment (“HSE”) Committee.

Mr. John D. Gass is the Director of the company. Mr. Gass is a retired executive who held positions of Vice President of Chevron Corporation and President of Chevron Gas and Midstream, a role held from 2003 until 2012. Mr. Gass joined Chevron in 1974 and over the next 38 years held positions of increasing responsibility, both domestically and abroad, in engineering, operations and executive management. Mr. Gass has been a director of Southwestern Energy Company since November 2012. He became a director of Suncor Energy Inc. in February 2014. Mr. Gass received a bachelor’s degree in civil engineering from Vanderbilt University and a master’s degree in civil engineering from Tulane University. He serves on the Board of Visitors for the Vanderbilt School of Engineering and is on the Advisory Board for the Vanderbilt Eye Institute. He is a member of the American Society of Civil Engineers and the Society of Petroleum Engineers. Mr. Gass has 38 years of experience in the international exploration and production industry, including executive leadership experience, which is a valuable asset to the Board in its strategic planning and decision-making processes.

Sir Emyr Jones Parry is the Director of the company. Sir Emyr has been the President of the University of Aberystwyth, located in Wales, since 2008; Chairman of the All Wales Convention, a body established by the Welsh Assembly Government to review Wales’s constitutional arrangements, since 2007; is Chairman of Redress, a human rights organization; and was Chairman of the Corporate and Social Responsibility External Advisory Group of First Group plc, a transport operator, from 2008 to 2011. Sir Emyr previously held numerous diplomatic positions, including UK Permanent Representative to the UN from 2003 to 2007 and UK Ambassador to NATO from 2001 to 2003, after specializing in European Union affairs including energy policy. He is also the President of the Learned Society of Wales and began his three-year term of office in May of 2014. Sir Emyr received a B.S. in Theoretical Physics from the University of Cardiff and a Ph.D. in Polymer Physics from the University of Cambridge. Sir Emyr brings to the Board a wealth of government relations experience, a high level of public and social policy knowledge and an important international perspective that are valuable to the Board in making global business decisions.

Mr. Francis S. Kalman is the Director of the company. Mr. Kalman serves as a senior advisor to a private investment subsidiary of Tudor, Pickering, Holt and Co., LLC that specializes in direct investments in upstream, midstream and oilfield service companies. Mr. Kalman served as Executive Vice President of McDermott International, Inc. from 2002 until his retirement in 2008 and as Chief Financial Officer from 2002 until 2007. From 2000 to 2002, he was Senior Vice President and Chief Financial Officer of Chemical Logistics Corporation; from 1999 to 2000, he was a principal of Pinnacle Equity Partners, LLC; from 1998 to 1999, he was Executive Vice President and Chief Financial Officer of Chemical Logistics Corporation; and from 1996 to 1997, he was Senior Vice President and Chief Financial Officer of Keystone International, Inc. Mr. Kalman started his career as a Certified Public Accountant with PriceWaterhouse and Co. In addition to the above, he has served in various financial capacities with Atlantic Richfield Company (1975 to 1982), United Gas Pipeline (1982 to 1991) and American Ref-Fuel (1991 to 1996). Mr. Kalman has a B.S. in Accounting from Long Island University. In addition to his directorships on the boards of Ensco plc, Kraton Performance Polymers, Inc. and CHC Group Ltd., during the past five years, Mr. Kalman has also served on the board of Pride International, Inc., which merged into Ensco plc. Mr. Kalman has extensive experience in accounting and financial reporting, including chief financial officer experience and serving as chairman of the audit committee of a public company. In addition to financial expertise, he also has executive leadership and strategic planning experience in the international energy service industry that complements the mix of skills of the other members of the Board.

Mr. David S. King is Director of the Company. Mr. King has more than 35 years of extensive experience in international oilfield services including executive operational leadership positions at Halliburton Company where he led the completions and production business segments as well as Eastern Hemisphere operations during his tenure. Most recently, he served Archer Limited as Chief Executive Officer and currently serves on the Board of Sheridan Production Company. As a member of the Weatherford Board of Directors, he will serve on the Board’s Audit Committee and HSE Committee.

Mr. Robert K. Moses Jr. is the Director of the company. Mr. Moses has been a private investor, principally in the oil and gas exploration and oilfield services business in Houston, Texas, for more than 20 years. He served as Chairman of the Board of Directors of Weatherford Enterra from May 1989 to December 1992 and continued on as a director of Weatherford Enterra from December 1992 to May 1998. Mr. Moses holds a B.A. in Economics from the University of Texas at Austin. Mr. Moses’ investment experience, extensive knowledge of and experience in the oilfield service industry and institutional knowledge of one of Weatherford’s most significant legacy companies provide a unique perspective that is an asset to the Board in its decision-making process.

Dr. Guillermo Ortiz Martinez is the Director of the company. Dr. Ortiz served as the Chairman of Banorte, the third largest bank in Mexico from 2010 until 2014; Governor of the Bank of Mexico from 1998 until 2009; and as Chairman of the Board of the Bank for International Settlements (BIS) in 2009. He previously served as Secretary of Finance and Public Credit in Mexico, from 1994 to 1998. Dr. Ortiz was also Executive Director at the International Monetary Fund and is a director of several international non-profit organizations and is currently a member of “The Group of Thirty”. Other public company boards include Grupo Aeroportuario del Sureste S.A.B. de C.V., Grupo Comercial Chedraui S.A.B. de C.V., Mexichem S.A.B. de C.V., and Vitro S.A.B. de C.V. Dr. Ortiz holds a B.A. in Economics from the National Autonomous University of Mexico and both an M.Sc. and a Ph.D. in Economics from Stanford University. Dr. Ortiz is a valuable member of the Audit Committee because of his extensive finance and banking experience, particularly relating to global economic matters and multinational financing. In addition, he brings to the Board an important international perspective.

Mr. Robert A. Rayne serves as Director of the Company. He was Non-Executive Chairman of the Board of the Company. Mr. Rayne has been a non-executive director of LMS Capital plc, an investment company listed on the London Stock Exchange, since February 2010, and was the Chairman of LMS Capital from February 2010 to January 2012. Mr. Rayne was the Chief Executive Officer and a director of LMS Capital from June 2006, when the investment business of London Merchant Securities plc was demerged, and LMS Capital was formed to hold this business, until February 2010. Mr. Rayne was employed by London Merchant Securities from 1968 to June 2006 and served as its Chief Executive Director from May 2001 to June 2006. Other public company boards include ChyronHego Corporation and Derwent London plc. Mr. Rayne also serves as the trustee for several charitable foundations, including the National Theatre Foundation, the Imperial College Endowment Fund and the Children of Success Schools, each in London. Mr. Rayne attended Malvern College and received a diploma from the New York Institute of Finance in Accounting, Law, and Working in the Stock Exchange. Mr. Rayne is Vice Chairman and Presiding Director of the Company’s Board. As Presiding Director, Mr. Rayne leads the executive sessions of the non-management Directors, which are held at least twice each year. Mr. Rayne has expertise in a wide range of sectors in addition to the oilfield service industry, including the real estate, media, consumer and technology industries. His 28-year tenure on the Board and his financial and investment expertise, chief executive office experience, international perspectives and diversity of expertise are beneficial to the Board.

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